Coating umbrella of optical coating machine

The utility model belongs to the technical field of accessories of coating machines. The utility model relates to a coating umbrella, in particular to a coating umbrella of an optical coating machine.The device comprises a cylinder, a shaft rod and inserting rods, the shaft rod is inserted into the circumferential inner wall of the cylinder; the inserting rod is inserted into the outer wall of the circumference of the cylinder; a cylindrical ring is arranged on the outer wall of the circumference of the cylinder; the outer wall of the circumference of the shaft rod is sleeved with a combinedring; a retaining ring is arranged on the outer wall of the circumference of the combined ring; a shaft rod seat is inserted into the top of the shaft rod; a fastener is adhered to the left side wallof the inserting rod; the utility model discloses a coating umbrella of an optical coating machine. COMBINED APPLICATION THROUGH FITTING, a cylindrical ring can be arranged outside the cylinder; the arc-shaped plates can rotate